芯耀
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在电子设计验证、传感器测试、通信系统研发及教育科研领域，对高质量、高稳定性的模拟与数字波形需求日益增长。是德科技（Keysight）33500B系列波形发生器以其卓越的信号纯度、丰富的波形生成能力和直观的操作界面，为现代测试应用提供了可靠、灵活的信号激励解决方案。
为确保此类高性能信号源持续提供精确、纯净的输出，专业的校准与维护支持不可或缺。深圳市宝安区沙井方丰瑞仪器设备经营部在精密信号源类仪器服务领域具备专业能力，可为33500B系列用户提供全面的技术支持与服务保障。
33500B：性能、功能与易用性的统一
核心性能与技术特点：
优异的信号纯度与输出特性
采用直接数字合成（DDS）技术，提供 30 MHz 正弦波带宽（部分型号可达 50 MHz）。
单通道或双通道型号可选，各通道完全独立，支持通道间相位同步控制。
输出幅度最高达 10 Vpp（进入高阻），具备优异的幅度精度和低谐波失真（典型值 < -65 dBc @ 1 kHz）。
丰富的标准与任意波形生成
内置 正弦波、方波、三角波、锯齿波、噪声、直流 等多种标准波形。
提供 64 kpts 标准任意波形存储器（可升级至 1 Mpts），支持用户自定义复杂波形。
支持 波形序列（Sequence） 模式，可链接多个任意波形并循环播放。
灵活的调制与扫描功能
支持 AM、FM、PM、PWM、FSK 等多种模拟与数字调制类型。
提供 线性/对数频率扫描、幅度扫描、脉宽扫描 功能。
具备 突发（Burst） 模式，可生成指定周期数的波形串。
直观的操作与连接性
标配 USB、LAN (LXI-C)、GPIB 接口，支持远程控制和波形数据传输。
前面板提供专用旋钮和快捷键，便于快速调整常用参数。
典型应用场景
传感器与滤波器频率响应测试：作为扫频源，测量器件的幅频/相频特性。
通信电路研发：用于调制解调器、锁相环（PLL）、ADC/DAC的激励与测试。
功率电子测试：生成复杂电源纹波、瞬态负载波形，验证电源管理IC性能。
教育与科研：在高校实验室中，用于信号与系统、通信原理等课程的实验教学。
专业技术服务保障
深圳市宝安区沙井方丰瑞仪器设备经营部可为33500B系列提供以下专业服务：
输出精度全面校准：对频率精度、幅度精度、直流偏置、波形失真度（THD）等关键参数进行校准。
调制与扫描功能验证：验证各类调制深度、扫描线性度及突发模式时序的准确性。
任意波形保真度测试：使用高速数字化仪验证任意波形输出的幅度、时序保真度。
双通道同步性能校准：对双通道型号的通道间幅度一致性、相位控制精度进行校准。
故障诊断与维修：对无输出、波形失真、显示异常、接口通讯故障等问题进行专业维修。
结语
是德科技33500B系列波形发生器以其出色的信号质量、丰富的波形生成能力和现代化的操作体验，为各类测试应用提供了高性价比的信号激励解决方案。它成功平衡了实验室级性能与生产测试环境所需的可靠性。
确保这一现代信号源长期稳定运行并保持出厂精度，需要专业的周期性维护。通过与 深圳市宝安区沙井方丰瑞仪器设备经营部 建立技术合作，用户可获得从设备校准、性能优化到故障修复的全方位服务，确保测试系统始终获得纯净、精确的激励信号，为产品研发与质量验证提供坚实基础。
In the fields of electronic design verification, sensor testing, communication system R&D, and education and scientific research, there is a growing demand for high-quality, highly stable analog and digital waveforms. The Keysight 33500B Series waveform generators provide a reliable and flexible signal stimulation solution for modern testing applications, thanks to their excellent signal purity, rich waveform generation capabilities, and intuitive user interface.
To ensure that such high-performance signal sources continue to deliver precise and clean outputs, professional calibration and maintenance support are indispensable. The Shenzhen Bao'an District Shajing Fangfengrui Instrument & Equipment Business Department possesses professional expertise in servicing precision signal source instruments and can provide comprehensive technical support and service guarantees for 33500B Series users.
33500B: Unifying Performance, Functionality, and Ease of Use
Core Performance and Technical Features:
Excellent Signal Purity and Output Characteristics
Utilizes Direct Digital Synthesis (DDS) technology to provide 30 MHz sine wave bandwidth (some models support up to 50 MHz).
Single- or dual-channel models available, with each channel fully independent and supporting phase synchronization control between channels.
Output amplitude up to 10 Vpp (into high impedance), with excellent amplitude accuracy and low harmonic distortion (typically < -65 dBc @ 1 kHz).
Rich Standard and Arbitrary Waveform Generation
Built-in standard waveforms such as sine, square, triangle, sawtooth, noise, and DC.
Provides 64 kpts of standard arbitrary waveform memory (upgradable to 1 Mpts), supporting user-defined complex waveforms.
Supports Waveform Sequence mode, allowing multiple arbitrary waveforms to be linked and played in loops.
Flexible Modulation and Sweep Functions
Supports various analog and digital modulation types, including AM, FM, PM, PWM, and FSK.
Offers linear/logarithmic frequency sweep, amplitude sweep, and pulse width sweep functions.
Features Burst mode to generate waveform bursts with a specified number of cycles.
Intuitive Operation and Connectivity
Equipped with a 4.3-inch color capacitive touchscreen and an intuitive graphical interface.
Standard interfaces include USB, LAN (LXI-C), and GPIB, supporting remote control and waveform data transfer.
Dedicated knobs and shortcut keys on the front panel allow for quick adjustment of frequently used parameters.
Typical Application Scenarios:
Sensor and Filter Frequency Response Testing: Used as a sweep source to measure the amplitude/phase-frequency characteristics of devices.
Communication Circuit R&D: Provides stimulation and testing for modulators/demodulators, phase-locked loops (PLLs), and ADC/DACs.
Power Electronics Testing: Generates complex power supply ripple and transient load waveforms to validate power management IC performance.
Education and Scientific Research: Used in university laboratories for experiments in courses such as Signals and Systems and Communication Principles.
Professional Technical Service Guarantees:
The Shenzhen Bao'an District Shajing Fangfengrui Instrument & Equipment Business Department offers the following professional services for the 33500B Series:
Comprehensive Output Accuracy Calibration: Calibrates key parameters such as frequency accuracy, amplitude accuracy, DC offset, and waveform distortion (THD).
Modulation and Sweep Function Verification: Validates the accuracy of modulation depth, sweep linearity, and burst mode timing.
Arbitrary Waveform Fidelity Testing: Uses high-speed digitizers to verify the amplitude and timing fidelity of arbitrary waveform outputs.
Dual-Channel Synchronization Performance Calibration: Calibrates amplitude consistency and phase control accuracy between channels for dual-channel models.
Fault Diagnosis and Repair: Provides professional repair for issues such as no output, waveform distortion, display abnormalities, and interface communication failures.
Conclusion:
The Keysight 33500B Series waveform generators offer an outstanding balance of laboratory-grade performance and reliability required for production testing environments, making them a cost-effective signal stimulation solution for various testing applications.
Ensuring the long-term stable operation and factory-level accuracy of this modern signal source requires professional periodic maintenance. By establishing a technical partnership with the Shenzhen Bao'an District Shajing Fangfengrui Instrument & Equipment Business Department, users can benefit from comprehensive services ranging from equipment calibration and performance optimization to fault repair. This ensures that the testing system always receives clean and precise stimulation signals, providing a solid foundation for product development and quality verification.
